:root {
  --bg: #f6efe2; --panel: #fffaf2; --panel-2: #f3e8d6; --ink: #3b2a1a; --muted: #7a6650; --line: #e6d7bf;
  --accent: #c84a22; --accent-ink: #fff; --good: #2f8a3e; --gold: #b8860b; --focus: #1d6fd6;
  --game-bg: #263326; --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #171410; --panel: #231d17; --panel-2: #2c251d; --ink: #f3e7d3; --muted: #b7a58c; --line: #3d3328;
          --accent: #e8693f; --accent-ink: #1b140e; --good: #5cc16c; --gold: #e0b44a; --focus: #7fb2ff; --game-bg: #101710; }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
button, input { font: inherit; }
.hidden, [hidden] { display: none !important; }

/* ---------- forms / cards ---------- */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }
input { width: 100%; padding: 10px 12px; font-size: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 14px; font-weight: 600; border: 0; border-radius: 8px; background: var(--accent); color: var(--accent-ink); cursor: pointer; }
.btn:disabled { opacity: .55; cursor: default; }
.btn.block { width: 100%; margin-top: 16px; padding: 12px; font-size: 16px; }
.btn.ghost { background: transparent; color: inherit; border: 1px solid var(--line); font-weight: 500; }
.btn.small { padding: 4px 10px; font-size: 13px; }
.msg { min-height: 1.5em; margin: 10px 0 0; font-size: 14px; }
.msg.err { color: var(--accent); }
.msg.ok { color: var(--good); }
.hint { font-size: 13px; color: var(--muted); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }   /* honeypot */

/* ---------- landing ---------- */
.landing { max-width: 440px; margin: 7vh auto; padding: 0 16px; }
.landing h1 { font-size: 30px; margin: 0 0 4px; }
.landing .sub { color: var(--muted); margin: 0 0 20px; }
.tabs { display: flex; gap: 4px; margin-bottom: 12px; }
.tabs button { flex: 1; padding: 10px; border: 1px solid var(--line); background: transparent; color: var(--muted); border-radius: 8px; cursor: pointer; font-weight: 600; }
.tabs button[aria-selected="true"] { background: var(--panel); color: var(--ink); border-color: var(--accent); }
footer.attrib { color: var(--muted); font-size: 12px; text-align: center; margin: 24px 0; }

/* ---------- game page ---------- */
body.play { background: var(--game-bg); }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
.topbar .brand { font-weight: 700; color: var(--ink); text-decoration: none; }
.topbar .actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.layout { display: flex; gap: 16px; align-items: flex-start; justify-content: center; padding: 16px; }
.game-col { flex: 0 1 760px; min-width: 0; }
#game { width: 100%; aspect-ratio: 760 / 600; background: #000; border-radius: 8px; overflow: hidden; }
#game > * { width: 100%; height: 100%; display: block; }
#status { text-align: center; font-size: 14px; color: #e8e2d6; margin: 8px 0 0; min-height: 1.4em; }
.sidebar { flex: 0 0 320px; display: flex; flex-direction: column; gap: 12px; max-height: calc(100vh - 90px); overflow-y: auto; }
@media (max-width: 1120px) {
  .layout { flex-direction: column; align-items: stretch; }
  .game-col { flex: none; width: 100%; max-width: 760px; margin: 0 auto; }
  .sidebar { flex: none; width: 100%; max-width: 760px; margin: 0 auto; max-height: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
}
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.panel .msg:empty { display: none; }
.panel h2 { font-size: 14px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 0 0 10px; display: flex; justify-content: space-between; align-items: center; }
.panel h2 .count { font-size: 12px; text-transform: none; letter-spacing: 0; color: var(--good); font-weight: 600; }

/* profile */
.me-row { display: flex; gap: 12px; align-items: center; }
.avatar { flex: 0 0 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; color: #fff; background: var(--accent); }
.me-name { font-weight: 700; font-size: 16px; overflow-wrap: anywhere; }
.me-level { font-size: 13px; color: var(--muted); }
.bar { height: 8px; background: var(--panel-2); border-radius: 4px; overflow: hidden; margin: 10px 0 4px; }
.bar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), var(--accent)); width: 0; transition: width .4s; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 10px; }
.stat { background: var(--panel-2); border-radius: 8px; padding: 6px 8px; }
.stat b { display: block; font-size: 15px; font-variant-numeric: tabular-nums; }
.stat small { color: var(--muted); font-size: 11px; }

/* leaderboard */
.seg { display: flex; gap: 4px; margin-bottom: 8px; }
.seg button { flex: 1; padding: 5px; font-size: 12px; border: 1px solid var(--line); border-radius: 6px; background: transparent; color: var(--muted); cursor: pointer; }
.seg button[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
ol.rank { list-style: none; margin: 0; padding: 0; }
ol.rank li { display: grid; grid-template-columns: 28px 1fr auto; gap: 8px; align-items: center; padding: 5px 6px; border-radius: 6px; font-size: 14px; }
ol.rank li.mine { background: var(--panel-2); outline: 1px solid var(--accent); }
ol.rank li.gap { display: block; text-align: center; color: var(--muted); padding: 0; }
.pos { font-weight: 700; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.pos.p1 { color: var(--gold); }
.who { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.who small { color: var(--muted); }
.val { font-variant-numeric: tabular-nums; font-weight: 600; }

/* friends */
.add-friend { display: flex; gap: 6px; }
.add-friend input { padding: 7px 10px; font-size: 14px; }
ul.people { list-style: none; margin: 8px 0 0; padding: 0; }
ul.people li { display: flex; align-items: center; gap: 8px; padding: 5px 2px; font-size: 14px; border-top: 1px solid var(--line); }
ul.people li:first-child { border-top: 0; }
.dot { flex: 0 0 8px; height: 8px; border-radius: 50%; background: var(--line); }
.dot.on { background: var(--good); box-shadow: 0 0 0 3px color-mix(in srgb, var(--good) 25%, transparent); }
ul.people .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
ul.people .name small { color: var(--muted); }
.subhead { font-size: 12px; color: var(--muted); margin: 10px 0 0; font-weight: 600; }
.empty { color: var(--muted); font-size: 13px; margin: 6px 0 0; }

/* announcements */
ul.news { list-style: none; margin: 0; padding: 0; }
ul.news li { padding: 6px 0; border-top: 1px solid var(--line); font-size: 14px; white-space: pre-wrap; overflow-wrap: anywhere; }
ul.news li:first-child { border-top: 0; padding-top: 0; }
ul.news time { display: block; color: var(--muted); font-size: 11px; }

.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 10px 16px; box-shadow: 0 6px 24px rgba(0,0,0,.25); font-size: 14px; z-index: 10; }

/* ---------- admin ---------- */
body.admin { background: var(--bg); }
.admin-main { max-width: 1200px; margin: 0 auto; padding: 16px; }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-bottom: 14px; }
.stat-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.stat-card b { display: block; font-size: 24px; font-variant-numeric: tabular-nums; }
.stat-card span { color: var(--muted); font-size: 13px; }
.admin-tabs { max-width: 560px; }
.admin-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, 1fr); gap: 14px; align-items: start; }
@media (max-width: 900px) { .admin-grid { grid-template-columns: 1fr; } }
.table-wrap { overflow-x: auto; margin-top: 10px; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 6px 8px; border-bottom: 1px solid var(--line); }
table.data td { padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data .num { text-align: right; font-variant-numeric: tabular-nums; }
table.data tbody tr[tabindex] { cursor: pointer; }
table.data tbody tr[tabindex]:hover, table.data tbody tr.sel { background: var(--panel-2); }
.cell-name { font-weight: 600; }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12px; overflow-wrap: anywhere; }
.pager { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 10px; }
.badge { display: inline-block; font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 999px; margin: 1px 4px 1px 0; border: 1px solid var(--line); }
.badge.ok { color: var(--good); border-color: color-mix(in srgb, var(--good) 40%, transparent); }
.badge.admin { color: var(--gold); border-color: color-mix(in srgb, var(--gold) 50%, transparent); }
.badge.banned { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.badge.muted { color: var(--muted); }
#detail h2 { font-size: 18px; text-transform: none; letter-spacing: 0; color: var(--ink); justify-content: flex-start; gap: 8px; flex-wrap: wrap; }
.edit-row { margin-top: 10px; }
.edit-row label { margin: 0 0 4px; }
.edit-row .row, .action-row, .row-end { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.edit-row select, .edit-row input { padding: 7px 8px; font-size: 14px; }
.edit-row select { border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); }
.edit-row input { flex: 1; min-width: 100px; width: auto; }
.action-row { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.btn.danger { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
textarea { width: 100%; padding: 10px 12px; font: inherit; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); resize: vertical; }
.row-end { justify-content: space-between; margin-top: 6px; }
.news-item { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.topbar a.btn { text-decoration: none; }